From 3848d7e3b5365b53452e123c65bcf07a633c58ff Mon Sep 17 00:00:00 2001 From: Leonard Grey Date: Fri, 10 Mar 2023 17:18:22 -0500 Subject: [PATCH] Mac: delete unused macho_dump.cc The only references to this are in derelict Xcode projects. Bug: chromium:1420654 Change-Id: If0d7064f32bab23630f79f459bb1dc429a203b88 Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/4329733 Reviewed-by: Mark Mentovai --- src/tools/mac/dump_syms/macho_dump.cc | 206 -------------------------- 1 file changed, 206 deletions(-) delete mode 100644 src/tools/mac/dump_syms/macho_dump.cc diff --git a/src/tools/mac/dump_syms/macho_dump.cc b/src/tools/mac/dump_syms/macho_dump.cc deleted file mode 100644 index 2610025c..00000000 --- a/src/tools/mac/dump_syms/macho_dump.cc +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright 2010 Google LLC -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google LLC nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Original author: Jim Blandy - -// macho_dump.cc: Dump the contents of a Mach-O file. This is mostly -// a test program for the Mach_O::FatReader and Mach_O::Reader classes. - -#ifdef HAVE_CONFIG_H -#include // Must come first -#endif - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "common/byte_cursor.h" -#include "common/mac/arch_utilities.h" -#include "common/mac/macho_reader.h" -#include "common/path_helper.h" - -using google_breakpad::ByteBuffer; -using std::ostringstream; -using std::string; -using std::vector; - -namespace { -namespace mach_o = google_breakpad::mach_o; - -string program_name; - -int check_syscall(int result, const char* operation, const char* filename) { - if (result < 0) { - fprintf(stderr, "%s: %s '%s': %s\n", - program_name.c_str(), operation, - filename, strerror(errno)); - exit(1); - } - return result; -} - -class DumpSection: public mach_o::Reader::SectionHandler { - public: - DumpSection() : index_(0) { } - bool HandleSection(const mach_o::Section& section) { - printf(" section %d '%s' in segment '%s'\n" - " address: 0x%llx\n" - " alignment: 1 << %d B\n" - " flags: %d\n" - " size: %ld\n", - index_++, section.section_name.c_str(), section.segment_name.c_str(), - section.address, section.align, - mach_o::SectionFlags(section.flags), - section.contents.Size()); - return true; - } - - private: - int index_; -}; - -class DumpCommand: public mach_o::Reader::LoadCommandHandler { - public: - DumpCommand(mach_o::Reader* reader) : reader_(reader), index_(0) { } - bool UnknownCommand(mach_o::LoadCommandType type, - const ByteBuffer& contents) { - printf(" load command %d: %d", index_++, type); - return true; - } - bool SegmentCommand(const mach_o::Segment& segment) { - printf(" load command %d: %s-bit segment '%s'\n" - " address: 0x%llx\n" - " memory size: 0x%llx\n" - " maximum protection: 0x%x\n" - " initial protection: 0x%x\n" - " flags: %d\n" - " section_list size: %ld B\n", - index_++, (segment.bits_64 ? "64" : "32"), segment.name.c_str(), - segment.vmaddr, segment.vmsize, segment.maxprot, - segment.initprot, mach_o::SegmentFlags(segment.flags), - segment.section_list.Size()); - - DumpSection dump_section; - return reader_->WalkSegmentSections(segment, &dump_section); - } - private: - mach_o::Reader* reader_; - int index_; -}; - -void DumpFile(const char* filename) { - int fd = check_syscall(open(filename, O_RDONLY), "opening", filename); - struct stat attributes; - check_syscall(fstat(fd, &attributes), - "getting file attributes for", filename); - void* mapping = mmap(NULL, attributes.st_size, PROT_READ, - MAP_PRIVATE, fd, 0); - close(fd); - check_syscall(mapping == (void*)-1 ? -1 : 0, - "mapping contents of", filename); - - mach_o::FatReader::Reporter fat_reporter(filename); - mach_o::FatReader fat_reader(&fat_reporter); - if (!fat_reader.Read(reinterpret_cast(mapping), - attributes.st_size)) { - exit(1); - } - printf("filename: %s\n", filename); - size_t object_files_size; - const SuperFatArch* super_fat_object_files = - fat_reader.object_files(&object_files_size); - struct fat_arch* object_files; - if (!super_fat_object_files->ConvertToFatArch(object_files)) { - exit(1); - } - printf(" object file count: %ld\n", object_files_size); - for (size_t i = 0; i < object_files_size; i++) { - const struct fat_arch& file = object_files[i]; - const NXArchInfo* fat_arch_info = - google_breakpad::BreakpadGetArchInfoFromCpuType( - file.cputype, file.cpusubtype); - printf("\n object file %ld:\n" - " fat header:\n:" - " CPU type: %s (%s)\n" - " size: %d B\n" - " alignment: 1<<%d B\n", - i, fat_arch_info->name, fat_arch_info->description, - file.size, file.align); - - ostringstream name; - name << filename; - if (object_files_size > 1) - name << ", object file #" << i; - ByteBuffer file_contents(reinterpret_cast(mapping) - + file.offset, file.size); - mach_o::Reader::Reporter reporter(name.str()); - mach_o::Reader reader(&reporter); - if (!reader.Read(file_contents, file.cputype, file.cpusubtype)) { - exit(1); - } - - const NXArchInfo* macho_arch_info = - NXGetArchInfoFromCpuType(reader.cpu_type(), - reader.cpu_subtype()); - printf(" Mach-O header:\n" - " word size: %s\n" - " CPU type: %s (%s)\n" - " File type: %d\n" - " flags: %x\n", - (reader.bits_64() ? "64 bits" : "32 bits"), - macho_arch_info->name, macho_arch_info->description, - reader.file_type(), reader.flags()); - - DumpCommand dump_command(&reader); - reader.WalkLoadCommands(&dump_command); - } - munmap(mapping, attributes.st_size); -} - -} // namespace - -int main(int argc, char** argv) { - program_name = google_breakpad::BaseName(argv[0]); - if (argc == 1) { - fprintf(stderr, "Usage: %s FILE ...\n" - "Dump the contents of the Mach-O or fat binary files " - "'FILE ...'.\n", program_name.c_str()); - } - for (int i = 1; i < argc; i++) { - DumpFile(argv[i]); - } -}